Try the CTE approach:
http://www.sqlusa.com/bestpractices2005/cte/
http://msdn.microsoft.com/en-us/library/ms190766(v=sql.105).aspx
You can define multiple CTE-s at the beginning of the query.
Kalman Toth Database & OLAP Architect sqlusa.com
New Book / Kindle: Pass SQL Exam 70-461 & Job Interview: Programming SQL Server 2012
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